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| Mirrors > Home > ILE Home > Th. List > 2ecoptocl | Unicode version | ||
| Description: Implicit substitution of classes for equivalence classes of ordered pairs. (Contributed by NM, 23-Jul-1995.) |
| Ref | Expression |
|---|---|
| 2ecoptocl.1 |
|
| 2ecoptocl.2 |
|
| 2ecoptocl.3 |
|
| 2ecoptocl.4 |
|
| Ref | Expression |
|---|---|
| 2ecoptocl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2ecoptocl.1 |
. . 3
| |
| 2 | 2ecoptocl.3 |
. . . 4
| |
| 3 | 2 | imbi2d 230 |
. . 3
|
| 4 | 2ecoptocl.2 |
. . . . . 6
| |
| 5 | 4 | imbi2d 230 |
. . . . 5
|
| 6 | 2ecoptocl.4 |
. . . . . 6
| |
| 7 | 6 | ex 115 |
. . . . 5
|
| 8 | 1, 5, 7 | ecoptocl 6856 |
. . . 4
|
| 9 | 8 | com12 30 |
. . 3
|
| 10 | 1, 3, 9 | ecoptocl 6856 |
. 2
|
| 11 | 10 | impcom 125 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-br 4110 df-opab 4172 df-xp 4755 df-cnv 4757 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-ec 6769 df-qs 6773 |
| This theorem is referenced by: 3ecoptocl 6858 ecovcom 6876 ecovicom 6877 addclnq 7690 mulclnq 7691 nqtri3or 7711 ltexnqq 7723 addclnq0 7766 mulclnq0 7767 distrnq0 7774 mulcomnq0 7775 addassnq0 7777 addclsr 8068 mulclsr 8069 mulgt0sr 8093 aptisr 8094 |
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